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Class 12 Chemistry Practice Test: Electrochemistry - Batteries
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Class 12 Chemistry Practice Test: Electrochemistry - Batteries
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15 Questions

1. What is the role of manganese dioxide in a dry cell?
2. Which of the following is used as an anode in a dry cell?
3. What is the final oxidation state of manganese after the electrochemical reactions in a dry cell?
4. Which of the following statements is not true with respect to a lead storage cell (or a lead-acid battery)?
5. Secondary cells are also called storage cells.
6. Which of the following statements is true regarding a primary cell?
7. Which of the following products are formed when a lead storage battery is discharged?
8. Which of the following is not a requirement for a useful battery?
9. Which of the following is the electrolyte used in a dry cell?
10. Which of the following scientists invented the first dry cell?
11. What is the final product that zinc forms during the functioning of a mercury cell?
12. Why do leak proof dry cells have an iron or steel sheet covering the zinc cylinder?
13. Which of the following appliances would not use sodium hydroxide as an electrolyte in their mercury cells?
14. Which of the following is the voltage output of a mercury cell?
15. A battery is an arrangement of electrolytic cells.

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